Ticket #36166: 36166.patch

wp-includes/functions.php

@@ -2815 +2815 @@
  * @param string $message Optional. Response to print. Default empty.
  */
 function _ajax_wp_die_handler( $message = '' ) {
+        if ( function_exists( 'is_wp_error' ) && is_wp_error( $message ) ) {
+                $errors = $message->get_error_messages();
+                switch ( count( $errors ) ) {
+                        case 0 :
+                                break;
+                        case 1 :
+                                $message = $errors[0];
+                                break;
+                        default :
+                                $message = join( ', ', $errors );
+                }
+        }
         if ( is_scalar( $message ) )
                 die( (string) $message );
         die( '0' );